account.invoice.report.tree account.invoice.report tree account.invoice.report.graph account.invoice.report graph account.invoice.report.search account.invoice.report search Invoices Analysis account.invoice.report form tree,graph {'search_default_period':1,'search_default_current':1, 'search_default_year': 1, 'search_default_category_product':1, 'search_default_customer':1, 'group_by':[], 'group_by_no_leaf':1,} From this report, you can have an overview of the amount invoiced to your customer as well as payment delays. The tool search can also be used to personalise your Invoices reports and so, match this analysis to your needs.